Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!
Last.fm - The world's largest online music service. Listen online, find out more about your favourite artists, and get music recommendations, only at Last.fm
Collaborator - Система дистанційного навчання повного циклу із аналітикою в реальному часі та інструментами внутрішнього маркетингу.
Maloja - Simple self-hosted music scrobble database to create personal listening statistics.
Lessonly - Getting teams up-to-speed and keeping them there.
Pandora - Pandora Radio is a free (ad-supported) internet radio founded in 2000.